SLIDESHOW: New air conditioning unit demonstrated at Sea-Tac Airport

The Port of Seattle on Tuesday (Aug. 13) held a demonstration of their new in-house air conditioning unit at Sea-Tac Airport, which they expect will save more than $15 million in annual fuel costs for airlines.

The Port says that this new technology – which airplanes can hook up to instead of running their own – will allow the airport to reduce greenhouse gas emissions by 40,000 metric tons – the equivalent of taking 8,000 cars off the road.

Photographer Francis Zera was able to witness the demo, and he put together a pretty cool slideshow: